Talvez deva tentar algumas variações de ortografia:
ethnic history » tectonic history (Expandir a Pesquisa), economic history (Expandir a Pesquisa), atlantic history (Expandir a Pesquisa)
medina ethics » media ethics (Expandir a Pesquisa), medica ethics (Expandir a Pesquisa), medical ethics (Expandir a Pesquisa)
media ethnic » media ethics (Expandir a Pesquisa), america ethnic (Expandir a Pesquisa), indian ethnic (Expandir a Pesquisa)
history med » history mei (Expandir a Pesquisa), history media (Expandir a Pesquisa), history mixed (Expandir a Pesquisa)
whistle e » whistle eb (Expandir a Pesquisa), whistle _ (Expandir a Pesquisa), whistle a (Expandir a Pesquisa)
whittle e » whittle b (Expandir a Pesquisa), whittle c (Expandir a Pesquisa), whittle h (Expandir a Pesquisa)
j medina » j mejia (Expandir a Pesquisa)
j media » j mejia (Expandir a Pesquisa), j melia (Expandir a Pesquisa), j medical (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j media ethnic history med ) or ( j medina ethics ((whistle e) OR (whittle e)) ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j media ethnic history med ) OR ( j medina ethics ((whistle e) OR (whittle e)) ))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j media ethnic history med ) or ( j medina ethics ((whistle e) OR (whittle e)) ))*".